/* 公共样式 */
body {
  box-sizing: border-box;
  /* height: 3000px; */
  background-color: #f8f8f8;
  font-family: PingFang SC, helvetica neue, tahoma, microsoft yahei, arial,
    hiragino sans gb, sans-serif;
}

.w {
  margin: 0 auto;
  width: 1200px;
}
.w1 {
  width: 1140px;
  margin: 0 auto;
}
.fl {
  float: left;
}
.fr {
  float: right;
}

/* banner区 */
section {
  height: 480px;
}

section .pic {
  position: relative;
  height: 100%;
  background: url(../images/marketing-images/bg.jpg) no-repeat center center;
  background-size: cover;
}
.banner {
  padding-top: 165px;
  padding-left: 90px;
  color: white;
  vertical-align: middle;
}
.banner .banner-title {
  font-size: 48px;
}
.banner .banner-subtitle {
  width: 580px;
  line-height: 30px;
  font-size: 16px;
}
/* 主题区 */
.main-tab-container {
  height: 80px;
  background-color: #f8f8f8;
  font-size: 16px;
  color: #666;
}
.main-tab span {
  float: left;
  margin-right: 80px;
  height: 64px;
  line-height: 60px;
}
.tab-current {
  border-bottom: 4px solid #ff3161;
}
/* 营销合作 */
.main {
  background-color: #fff;
}
.content {
  /* background-color: #fff; */
  padding-top: 80px;
}
#marketing {
  text-align: center;
}
#marketing h4 {
  font-size: 30px;
  font-weight: 500;
  color: #666;
}
.market-filter {
  display: flex;
  height: 90px;
}
.market-filter li {
  flex: 1;
  float: left;
}
.market-filter .select {
  width: 250px;
  height: 51px;
  line-height: 50px;
  font-size: 16px;
  color: #333;
  margin: 40px 66px 0 0;
  padding: 0 16px;
  background-color: #fafafa;
  border-bottom: 1px solid #ececec;
  cursor: pointer;
}
.select span {
  float: left;
}
#select-play,
#select-field,
#select-annual {
  position: relative;
}
.option {
  display: none;
  width: 250px;
  height: 280px;
  z-index: 1000;
  position: absolute;
  top: 100px;
  left: 0;
  border-radius: 4px;
  box-shadow: 0 0 6px 0 rgb(0 0 0 / 10%);
  background-color: #fff;
}
.option > li {
  font-size: 14px;
  width: 100%;
  text-align: left;
  height: 40px;
  line-height: 40px;
  padding: 0 25px;
  cursor: pointer;
}
.option > li > a {
  display: block;
}
.option > li:hover {
  color: #f5275f;
  background-color: #fafafa;
}
.active {
  color: #f5275f;
  background-color: #fafafa;
}
.market-filter li:last-child {
  position: relative;
}
.market-filter i {
  float: right;
  line-height: 50px;
  font-size: 1px;
  color: #666;
}
#input-search {
  background-color: #fff;
  margin: 40px 66px 0 0;
}
#input-search input {
  height: 49px;
  padding: 0 10px;
  font-size: 16px;
}
#input-search i {
  position: absolute;
  right: -30px;
  font-size: 16px;
  color: rgb(196, 192, 192);
}
/* 营销案例区 */
.marketing-cases {
  display: flex;
  overflow: hidden;
  margin-bottom: 40px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.flip-box {
  position: relative;
  transition: all 1.5s;
  /* backface-visibility: hidden; */
  transform-style: preserve-3d;
}
.flip-box:hover {
  transform: rotateY(180deg);
}
.front {
  position: absolute;
  width: 384px;
  height: 383px;
  background-color: #fff;
  z-index: 1;
}
.marketing-cases > li {
  margin-top: 40px;
  width: 384px;
  height: 383px;
  /* background-color: #ff3161; */
}
.marketing-cases .item-body {
  border: 1px solid #f0f0f0;
  box-sizing: border-box;
  border-top: none;
}
.marketing-cases li .cover {
  width: 100%;
  height: 269px;
  object-fit: cover;
  color: #333;
}
.marketing-cases .desc {
  color: #333;
  font-size: 20px;
  text-align: left;
  padding: 20px 20px 0;
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.marketing-cases .tags {
  padding: 0 20px 20px;
  text-align: left;
  min-height: 51px;
}
.marketing-cases .tags span {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 4px;
  color: #fff;
  font-size: 12px;
  background-color: #ffc4d4;
  margin-bottom: 5px;
}
.back {
  position: absolute;
  width: 384px;
  height: 383px;
  background-color: #fff;
  transform: rotateY(180deg);
  border: 1px solid #ececec;
}
.back .hightlight {
  min-height: 180px;
  margin-bottom: 10px;
  padding: 0 30px;
  font-size: 14px;
  line-height: 30px;
  text-align: left;
  color: #555;
}
.statistical-list {
  display: flex;
  justify-content: center;
  padding: 0 20px;
}
.statistical-list-item {
  flex: 1;
  text-align: center;
  display: inline-flex;
  /* -webkit-box-orient: vertical;
    -webkit-box-direction: normal; */
  flex-direction: column;
  /* font-size: 0; */
}
.value {
  font-size: 24px;
  line-height: 34px;
  color: #f5275f;
}
.value i {
  font-size: 12px;
  line-height: 17px;
}
.footer {
  position: relative;
}
.footer > a {
  position: absolute;
  font-size: 12px;
  color: #f5275f;
  line-height: 16px;
  border-bottom: 1px solid;
  transform: translateX(-50%);
  left: 50%;
  top: 24px;
}
.footer > span {
  position: absolute;
  display: inline-block;
  top: 20px;
  right: 36px;
  color: #f5275f;
  font-size: 14px;
}
.footer > span i {
  font-size: 18px;
}
.loadmore {
  font-size: 16px;
  padding: 12px 52px;
  background-color: #f5275f;
  color: #fff;
  border: none;
  margin-bottom: 30px;
}
/* 战略合作区 */
.technology-case {
  overflow: hidden;
  padding-top: 40px;
  /* background-color: red; */
}
.technology-case-item {
  overflow: hidden;
  margin-bottom: 30px;
}
.technology h4 {
  padding-top: 40px;
  font-size: 30px;
  font-weight: 500;
  color: #666;
  text-align: center;
}
.technology .right h5 {
  font-size: 20px;
  line-height: 1.4;
  padding: 35px 35px 0;
  color: #666;
}
.subtitle-wrap {
  overflow: hidden;
  border-left: 1px solid #e6e6e6;
}
.subtitle-wrap p {
  padding: 0 35px;
  margin: 15px 0 55px;
  height: 122px;
  color: #787878;
  font-size: 16px;
  line-height: 28px;
  display: -webkit-box;
  text-overflow: ellipsis;
}
.left {
  width: 444px;
  line-height: 310px;
  text-align: center;
  background-color: #fff;
}
.right {
  width: 756px;
  height: 310px;
  background-color: #fff;
}
.right a {
  padding: 0 35px;
  font-size: 16px;
  color: #f5275f;
}
.right a::after {
  content: "";
  width: 26px;
  height: 5px;
  margin: 0 0 4px 9px;
  display: inline-block;
  background: url(../images/marketing-images/arrow-left.png) 0 0;
  background-size: 26px 5px;
}
/* 表单区 */
.form-container {
  padding-top: 40px;
  height: 750px;
  background-color: #fff;
}
.form-list-container {
  width: 1140px;
  margin: 0 auto;
}
.form-list-container > ul {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: space-between;
}
.form-list-container > ul li {
  /* display: inline-block; */
  position: relative;
  width: 32%;
  margin-bottom: 30px;
  color: #000;
  position: relative;
  border-bottom: 1px solid #c8c8c8;
  font-size: 16px;
  /* background-color: aqua; */
}
.form-list-input {
  height: 50px;
  line-height: 50px;
  font-size: 16px;
  padding: 0 20px;
  color: #c8c8c8;
  border: none;
}
.form-container h2 {
  font-size: 30px;
  color: #000;
  font-style: normal;
  font-weight: 400;
  text-align: center;
  margin-bottom: 40px;
}
.marked::before {
  content: "*";
  position: absolute;
  font-size: 12px;
  color: #f5275f;
  margin-right: 4px;
  top: 14px;
  left: 13px;
}

.form-section-title {
  display: inline-block;
  padding: 20px;
  font-size: 16px;
  cursor: pointer;
  color: #c8c8c8;
}
.form-section-content textarea {
  width: 100%;
  outline: none;
  font-size: 16px;
  border: 1px solid #c8c8c8;
  border-radius: 4px;
  padding: 15px;
  resize: none;
}
.form-prompt {
  overflow: hidden;
  line-height: 52px;
  padding: 0 30px;
}
.form-prompt span:first-child {
  font-size: 16px;
  cursor: pointer;
  color: #c8c8c8;
}
.form-prompt span:last-child {
  font-size: 14px;
  line-height: 24px;
  color: #f5275f;
}
.form-footer {
  overflow: hidden;
  background-color: #fff;
}
.form-footer > span {
  display: block;
  width: 200px;
  height: 46px;
  line-height: 46px;
  font-size: 14px;
  margin: 24px auto 40px;
  text-align: center;
  color: #fff;
  cursor: pointer;
  background: #f5275f;
}
